31232840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5171}}^1$

素因数の和:5333

約数の個数: 32

約数和(自身を含む): 70752960

約数和(自身を除く): 39520120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 5171, 6040, 10342, 20684, 25855, 41368, 51710, 103420, 206840, 780821, 1561642, 3123284, 3904105, 6246568, 7808210, 15616420, 31232840]

約数ペア:

[(1, 31232840), (2, 15616420), (4, 7808210), (5, 6246568), (8, 3904105), (10, 3123284), (20, 1561642), (40, 780821), (151, 206840), (302, 103420), (604, 51710), (755, 41368), (1208, 25855), (1510, 20684), (3020, 10342), (5171, 6040)]